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The Matrix Cookbook - Mathematics
www.math.uwaterloo.caCONTENTS CONTENTS Notation and Nomenclature A Matrix A ij Matrix indexed for some purpose A i Matrix indexed for some purpose Aij Matrix indexed for some purpose An Matrix indexed for some purpose or The n.th power of a square matrix A 1 The inverse matrix of the matrix A A+ The pseudo inverse matrix of the matrix A (see Sec. 3.6) A1=2 The square root of a matrix (if unique), not …
The Matrix Cookbook - Mathematics
www.math.uwaterloo.caThe n.th power of a square matrix A 1 The inverse matrix of the matrix A A+ The pseudo inverse matrix of the matrix A (see Sec. 3.6) A1=2 The square root of a matrix (if unique), not elementwise (A) ij The (i;j).th entry of the matrix A A ij The (i;j).th entry of the matrix A [A] ij The ij-submatrix, i.e. A with i.th row and j.th column deleted